linux-kernel - Re: [PATCH] bpf/test_run: Add braces to initialization in bpf_prog_test_run

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Date:   Fri, 19 Oct 2018 11:47:34 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     natechancellor@...il.com, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bpf/test_run: Add braces to initialization in bpf_prog_test_run_skb

On Fri, Oct 19, 2018 at 11:46 AM Eric Dumazet <eric.dumazet@...il.com> wrote:
>
>
>
> On 10/19/2018 11:26 AM, Nathan Chancellor wrote:
> > Clang warns:
> >
> > net/bpf/test_run.c:120:20: error: suggest braces around initialization
> > of subobject [-Werror,-Wmissing-braces]
> >         struct sock sk = {0};
> >                           ^
> >                           {}
> >
> > Add the braces to properly initialize all subobjects.
> >
> > Fixes: 75079847e9d0 ("bpf: add tests for direct packet access from CGROUP_SKB")
> > Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> > ---
> >  net/bpf/test_run.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
> > index 8dccac305268..65e049c61a7a 100644
> > --- a/net/bpf/test_run.c
> > +++ b/net/bpf/test_run.c
> > @@ -117,7 +117,7 @@ int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
> >       u32 retval, duration;
> >       int hh_len = ETH_HLEN;
> >       struct sk_buff *skb;
> > -     struct sock sk = {0};
> > +     struct sock sk = { { {0} } };
> >       void *data;
> >       int ret;
> >
> >
>
> Strange, I thought this patch was still under discussion.
> Has an old version of it being merged somewhere ?

merged and reverted. This patch is not necessary.